SANTOS, José Odálio dos; NARDY, André; LAS CASAS, Alexandre Luzzi; ARAES, Theresangela Giongo Flores. Efficient Market Hypothesis, Covid-19 and Accumulated Return of Common Shares – Event Study of The Top Chinese Financial Institutions by Market Value Criterion. Revista Administração em Diálogo - RAD, [S. l.], v. 25, n. 1, p. 139–156, 2023. DOI: 10.23925/2178-0080.2023v25i1.90762. Disponível em: https://revistas.pucsp.br/index.php/rad/article/view/59762. Acesso em: 6 dez. 2025.